Security News > 2021 > March > Microsoft is auto-installing the Windows 10 WebView2 Runtime
Microsoft is automatically installing the WebView2 runtime on Windows 10 machines to support upcoming versions of the Microsoft 365 and Microsoft Office applications.
In February, Microsoft announced that future versions of Microsoft 365 would begin to utilize WebView2 control to embed web content directly in the native applications.
"Microsoft 365 Apps is starting to provide new or improved features that rely on Microsoft Edge WebView2. WebView2 Runtime will be installed starting on March 8, 2021. Only devices that are running Windows and that have Version 2101 or later of Microsoft 365 Apps installed are affected." - Microsoft.
This past weekend, on March 14th, Microsoft began auto-installing the 'Microsoft Edge WebView2 Runtime' on Windows 10 machines without any notification to users.
We can see that the WebView2 Runtime was installed automatically By Microsoft Office from the Windows event logs.
Microsoft originally stated that the WebView2 Runtime would only be installed on Windows machines running Microsoft 365 version 2101.
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